Grandstream GXP1628 Technical Specification

Network Interfaces

• Dual switched auto sensing 10/100/1000 Mbps ethernet ports, integrated PoE

Graphic Display

• 132 x 48 backlit graphical LCD Display

Feature Keys

• 2 line keys with dual-colour LED and 2 SIP accounts
• 3 XML programmable content sensitive soft keys
• 5 navigation menu keys
• 8 BLF keys
• 13 dedicated function keys for:
  -Mute
  -Headset
  -Transfer
  -Conference
  -Send
  -Redial
  -Speakerphone
  -Message
  -Hold
  -Page/Intercom
  -Record
  -Home

Voice Codecs

• Support for
  G.711 u/a,
  G.722 (wideband)
  G.723 (pending)
  G.726-32
  G729 A/B
  iLBC (pending)
  Opus (pending)
  in-band and out-of-band DTMF

Telephony Features

• Hold, transfer, forward
• Call park/pickup
• 3-way conference
• Shared-call-appearence (SCA)
• Bridged-line-appearence (BLA)
• Downloadable phonebook (XML, LDAP, up to 500 items)
• Call history (up to 200 records)
• Off-Hook auto dial

Headset Jack

• RJ9 headset jack (allowing EHS with Plantronics headsets)

HD Audio

• Yes, HD Handseet and speakerphone with support for wideband audio.

QoS

• Layer 2 QoS (802.1Q, 802.1P)
• Layer 3 QoS (ToS, DiffServ, MPLS)

Security

• User and administrator access control
• MD5 and MD5-sess based on authentication
• 256-bit AES encrypted configuration file
• TLS
• SRTP
• HTTPS
• 802.1x media access control

Multi-Language

• Over 12 languages supported including:
  English
  German
  Both Simplified and Tradition Chinese

Physical

• Dimension – 220.5mm (L) x 192.5mm (W) x 76mm (H) (with handset)
• Unit Weight – 0.8kg
• Package Weight – 1.2kg

Package Content

• GXP1628 phone, handset with cord, base stand, network cable, Quick installation guide, brochure and GPL License